I suppose that’s one way to abbreviate “traffic light.”
Discovered folded and tucked into a beat-up run of Watchmen that was recently dropped on us was this hand-drawn map of a certain location of import to the story:
Click that pic for a larger image.
I also feel like I’ve seen something like this before, like maybe in one of the Watchmen supplements for the DC Role Playing Game. It’s not in the backmatter of the Absolute Edition hardcover.
“and HERE you find the BURIED TREASURE!”